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s390/diag: use pfn_to_phys() instead of open coding

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Use pfn_to_phys() instead of open coding to make it
clear what the code is doing.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2021-12-07 19:19:48 +01:00
parent d2f2949ab6
commit 9d6305c2a1
1 changed files with 2 additions and 2 deletions
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4
arch/s390/include/asm/diag.h
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@ -47,8 +47,8 @@ static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
{
unsigned long start_addr, end_addr;
start_addr = start_pfn << PAGE_SHIFT;
end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
start_addr = pfn_to_phys(start_pfn);
end_addr = pfn_to_phys(start_pfn + num_pfn - 1);
diag_stat_inc(DIAG_STAT_X010);
asm volatile(